The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is___________? Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 28/05/2023 0 A. 45 B. 50 C. 51.4 approx. D. 54.6 approx. (more…)
The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathematics and Chemistry together. Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 27/04/2023 0 A. 40 B. 30 C. 25 D. Data inadequate (more…)
A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is__________? Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 01/01/2023 0 A. Rs.20 B. Rs.21 C. Rs.22 D. Rs.23 (more…)
The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is___________? Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 19/01/2022 0 A. 35.2 B. 36.1 C. 36.5 D. 39.1 (more…)
Find the average of all the numbers between 6 and 34 which are divisible by 5. Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 09/01/2022 0 A. 18 B. 20 C. 24 D. 30 (more…)
The average salary of workers in an industry is Rs.200 the average salary of technicians being Rs.400 and that of non-technicians being Rs.125. What is the total number of workers? Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 16/12/2021 0 A. 250 B. 275 C. 550 D. 400
The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers? Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 04/12/2021 0 A. 8 B. 6 C. 5 D. 2 (more…)
The average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person. Find the age of the new person? Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 22/11/2021 0 A. 22 B. 24 C. 12 D. 8 (more…)
The average weight of a group of boys is 30 kg. After a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. Find the number of boys in the group originally? Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 25/10/2021 0 A. 4 B. 5 C. 6 D. 7 (more…)
The average of first 10 even numbers is___________? Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 12/10/2021 0 A. 18 B. 22 C. 9 D. 11
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